uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-12

KF1Z callsign genealogy

Currently held by GREENLEAF, BRUCE S

The FCC publishes a previous_call_sign on every amateur license — a self-link to the licensee's prior callsign. Following those links produces the chain below.

Previous callsigns

Older callsigns held by KF1Z's current licensee, walking backwards.

  1. KE1LPcancelled· E
    Greenleaf, Bruce SVTgranted 1999-07-20cancelled 2005-06-04
  2. N1ZUDcancelled· G
    GREENLEAF, BRUCE Scancelled 1999-07-20

Successor callsigns

Callsigns held now by people who previously held KF1Z.

No current licensee on record previously held this callsign.